Comparison

Know Abacus vs Abacus Simulator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Know Abacus

This app teaches children how to use an abacus for various math operations. It covers counting, addition, subtraction, multiplication, and division, helping to develop their mathematical abilities and brain potential. It offers multiple learning modes and customization options.

Highlights
  • Abacus counting
  • Addition and subtraction (1 & 2 digits)
  • Multiplication and division (1-2 digits)
  • Mental math practice
  • Review and random lessons
  • Customizable abacus (color, touch)
  • Multiple languages
Read full description

Abacus is a wonderful mathematical instrument used for calculation. This app will help your children learn about Abacus, Numbers, Counting, Addition, and Subtraction. This is the first step to tap the unexploited potential in their brain and unleash their mathematical capability. Suitable for children age 5 and up, who know about numbers and some basic addition and subtraction. For smaller children, recommend KnowNumber app. * Counting with Abacus * Addition/Subtraction 1 digit * Addition/Subtraction 2 digits * Multiplication 1-2 digits * Division 1-2 digits * Mental math * Review lessons * Unlimited random lessons * Black/white or colorful abacus * Learning modes * Two-touch or multi-touch abacus * Left-handed mode Localized Languages: * English, French, Spanish, Thai, Turkey, Arabic, Portuguese, and Russian

About

Abacus Simulator

Enhance your mental math abilities with interactive abacus exercises. This app offers guided lessons and daily drills to improve calculation speed, focus, and accuracy. Customize your abacus for a fun and engaging learning experience.

Highlights
  • Interactive abacus exercises
  • Guided step-by-step lessons
  • Daily skill-sharpening exercises
  • Focus, speed, and accuracy improvement
  • Customizable abacus
Features
Read full description

Count faster with Abacus! Build your mental math skills with our interactive exercises. From basic to advanced calculations, we got you covered! It is easy, fun, and free! Why Abacus? Guided lessons - step-by-step tutorials on every level. Sharpen skills - improve focus, speed, and accuracy through our daily exercises. Fun - customize your abacus and have fun with it!

Screenshots

Know Abacus4 screens
Abacus Simulator4 screens

Verdict

The call

The clearest difference is ads: Abacus Simulator at none against Know Abacus's shown. Abacus Simulator also leads on update cadence (every 3 weeks vs every 2 months). Know Abacus's advantage is review sentiment (96% vs 72%) and iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Know Abacus sells 1 one-off in-app purchase and Abacus Simulator sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Know Abacus against 4.6 for Abacus Simulator. Both are backed by a comparable volume of ratings — 67 and 31 respectively. Written reviews are what separate them: 96% of Know Abacus's written reviews are positive against 72% of Abacus Simulator's.

UpkeepUpdate frequency

Know Abacus ships an update every 2 months, Abacus Simulator every 3 weeks. The most recent releases landed on July 6, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
Know Abacus versus Abacus Simulator: the parameters behind the verdict, then further details
ParameterKnow AbacusAbacus Simulator
PriceFreeFree
Rating4.7 (67 ratings) — better4.6 (31 ratings)
Positive reviews96.4% of reviews — better72.4% of reviews
Number of ratings67 — better31
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size28 MB41 MB
Age rating4+4+
DeveloperKittipong MungnirunNicholas Ang

Customer experience

Know Abacus

All ratings67 ratings
Positive94.0%
Neutral1.5%
Negative4.5%
Written reviews28 reviews
Positive96.4%
Neutral3.6%
Negative0.0%

Abacus Simulator

All ratings31 ratings
Positive90.3%
Neutral3.2%
Negative6.5%
Written reviews29 reviews
Positive72.4%
Neutral0.0%
Negative27.6%

In-app purchases

1 purchases

Know Abacus

One-time1
  • Remove Ads$2.99
10 purchases

Abacus Simulator

One-time10
  • Cloud Beads$1.99
  • Coconut Beads$1.99
  • Lemon Beads$1.99
Show 7 more
  • Mushroom Beads$1.99
  • Penguin Beads$1.99
  • Flower Beads$1.99
  • Orange Beads$1.99
  • Snail Beads$1.99
  • Snowman Beads$1.99
  • Watermelon Beads$1.99

Questions

Is Know Abacus free?
Know Abacus is free to download, with in-app purchases available.
Is Abacus Simulator free?
Abacus Simulator is free to download, with in-app purchases available.
Which has better reviews, Know Abacus or Abacus Simulator?
Know Abacus is rated higher. Know Abacus averages 4.7 out of 5 from 67 ratings, while Abacus Simulator averages 4.6 from 31 ratings.
Do Know Abacus or Abacus Simulator have ads?
Know Abacus shows ads; Abacus Simulator does not.
Which is updated more often, Know Abacus or Abacus Simulator?
Know Abacus ships an update every 2 months, and Abacus Simulator every 3 weeks. Most recently, Know Abacus was updated on July 6, 2026 and Abacus Simulator on September 21, 2026.

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